Molecular Evidence (IMAGE)
Caption
This confocal microscopic image of an 8-day-old mouse's testicular section shows evidence of the PRC1 subcomponent Sall 4 (in green). Scientists report in Genes & Development finding that PRC1 is the key molecular and genetic switch that activates production of healthy male sperm, an important clue to understanding the causes of male infertility or congenital illness.
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Cincinnati Children's
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